cve-2026-59920
MEDIUM CVSS 6.5 csaf_suse
Description
SUSE CVE-2026-59920
Timeline
- Published
- 2026-07-23 00:54 UTC
- Last Modified
- 2026-08-05
CVSS Details
CVSS details not available.
Affected Products
No product information available.
References
No references available.
Linked Vulnerabilities
{
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"text": "Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.136.Final and 4.2.16.Final, Netty's STOMP encoder ( StompSubframeEncoder ) does not escape or validate header values in CONNECT and CONNECTED frames, so raw newline ( \\n ) characters in a header value are written directly to the wire, allowing an attacker who controls a header value to inject additional STOMP headers. This happens because the encoder intentionally skips escaping for CONNECT/CONNECTED frames per the STOMP 1.2 specification but never rejects the raw newlines, and since a broker parses each line as a separate header, an attacker controlling a value such as a user-supplied login or passcode can overwrite connection parameters or add authentication/role headers to bypass authentication or escalate privileges (the actual impact is broker-dependent). The issue is fixed in versions 4.1.136.Final and 4.2.16.Final.",
"title": "Description of the CVE"
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"text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
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{
"category": "general",
"text": "Netty is an asynchronous, event-driven network application framework. In versions prior to 4.1.136.Final and 4.2.16.Final, Netty's STOMP encoder ( StompSubframeEncoder ) does not escape or validate header values in CONNECT and CONNECTED frames, so raw newline ( \\n ) characters in a header value are written directly to the wire, allowing an attacker who controls a header value to inject additional STOMP headers. This happens because the encoder intentionally skips escaping for CONNECT/CONNECTED frames per the STOMP 1.2 specification but never rejects the raw newlines, and since a broker parses each line as a separate header, an attacker controlling a value such as a user-supplied login or passcode can overwrite connection parameters or add authentication/role headers to bypass authentication or escalate privileges (the actual impact is broker-dependent). The issue is fixed in versions 4.1.136.Final and 4.2.16.Final.",
"title": "CVE description"
}
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"references": [
{
"category": "external",
"summary": "CVE-2026-59920",
"url": "https://www.suse.com/security/cve/CVE-2026-59920"
},
{
"category": "external",
"summary": "SUSE Security Ratings",
"url": "https://www.suse.com/support/security/rating/"
},
{
"category": "external",
"summary": "SUSE Bug 1272306 for CVE-2026-59920",
"url": "https://bugzilla.suse.com/1272306"
},
{
"category": "external",
"summary": "Advisory link for SUSE-SU-2026:3482-1",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2026-August/028141.html"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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],
"scores": [
{
"cvss_v3": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
},
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],
"threats": [
{
"category": "impact",
"date": "2026-07-22T15:46:34Z",
"details": "moderate"
}
],
"title": "CVE-2026-59920"
}
]
}